Nuwar.XA

It spreads and affects other computers.
It affects the productivity of the computer, the network to which it’s connected or other remote sites.
It spreads
, via email.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:

July 22, 2008

Detection updated on:

July 22, 2008

Statistics

No

Brief Description

Nuwar.XA is a worm that spreads by copying itself, without infecting other files.

In the local network:
it generates a large amount of network activity and consumes bandwidth.

On remote sites: it launches denial of service attacks against Web servers or remote databases.

Nuwar.XA uses the following propagation or distribution methods:

Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.

Email: sending emails that include a copy of itself as an attachment. The computer is infected when the attachment is run.